List of top Questions asked in AP EAMCET

The number of cytosine molecules in a typical ds DNA molecule which is having 20 coils with 480 Hydrogen bonds.
In F2 progeny of dihybrid cross in pea plant the ratio of genotypes YyRR, yyRR, YyRR, Yyrr is
In the progeny of dihybrid cross of pea plant, the phenotype ratio between the proportions of recombinants and parent plants respectively is

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Choose correct combinations

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Plants do not have respiratory organs due to the following reasons
I. Rate of respiration in plants is less than animals  
II. Loose packing of parenchyma cells  
III. Most cells of a plant have at least a part of their surface in contact with air  
IV. Transport of gases within the plant is more  

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The ratio of ATP generated, number of ATP and NADPH + H\(^+\) needed to produce net gain of one glucose in C\(_4\) plants
Find out the incorrect statements regarding Enzymes

Study the table and find deficiency symptoms shown in plants

Find incorrect statements
A. Rhodospirillum is aerobic  
B. Anabaena and Nostoc are free-living nitrogen fixers  
C. Azotobacter is anaerobic  
D. Beijerinckia is aerobic  

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Assertion (A): Root pressure does not play a major role in water movement in tall trees.
Reason (R): Root pressure is responsible for pushing up water to small heights in stem.

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Hypostomatic condition, sunken stomata and stomatal hairs are found in this leaf
Sclerenchyma tissue is present in this portion of this structure
Assertion (A): Secondary growth is absent in monocots generally.
Reason (R): Vascular bundles are conjoint and closed.
Identify the correct statement regarding plant tissues
Number of chromosomes in maize root cells at G1 phase, after S and M phases respectively

Match the following

Match the following

Choose the correct statement:
I. Primary cell wall is capable of growth in mature plant cell  
II. Middle lamella is first formed layer of cell wall and it is the outermost layer in mature plant cell  
III. Addition of lignin into cellulose interfibrillar spaces leads to the formation of secondary cell in mature plant cell

Choose the correct combinations based on their Taxonomical features

Choose the correct statements related to plant reproduction
I. In Cladophora, male and female gametes are morphologically similar
II. Male and female gametes of Pteris are heterogametes
III. Fungi are usually homothallic and unisexual
IV. Monoecious plants are bisexual